Power Engineering - 4B12 Bonus Set Questions With Complete Solutions

Power Engineering - 4B12 Bonus Set Questions With
Complete Solutions


Extended type tubes used with oil heaters are tubes

a. which have been expanded
b. which have extensions attached
c. with fins on their outer surfaces
d. of varying lengths
e. that reach beyond the top drum
c. with fins on their outer surfaces
The __________ type tubes have fins on their outer surfaces.

a. looped
b. extended
c. firetube
d. flared
e. tangential
b. extended
The most commonly applied oil heater, is the combination
convection and __________ type heater because of its
efficiency.

a. superheater
b. conduction
c. radiant

,d. stationary
e. portable
c. radiant
The most typical fired heater model is the

a. down-draft
b. dual-draft
c. up-draft
d. balanced-draft
e. induced-draft
c. up-draft
The convection tubes of a typical up-draft model fired heater are
located in the

a. firebox
b. stack
c. radiant zone
d. breeching
e. refractory lining
d. breeching
The gas burners of a horizontal rectangular direct-fired oil
heaters, are located

a. on the floor of the furnace
b. in the ceiling of the furnace
c. in the front of the furnace

, d. in the corners of the furnace
e. external to the furnace
a. on the floor of the furnace
The most important piece of equipment of a hot oil system is

a. the heater
b. the pump
c. the surge tank
d. the UV
e. the burner
a. the heater
A non-metallic part of a mechanical seal might be made from

a. asbestos
b. teflon
c. fibreglass
d. rubber
e. carbon
b. teflon
A hot oil pump suction is located

a. above the surge tank
b. level with the surge tank
c. inside the surge tank
d. below the surge tank level
e. at the side of the tank